Round|Natural|GIA

1.51ct G VS1 Round Natural Diamond

VG • G/VS1 • GIA 1559234425

Certificate GIA 1559234425

Diamond specifications and retailer prices

From $6,331 USD
As of October 31, 2026
Save $5,611 USD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,942 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 1559234425. Listed at 19 retailers as of October 31, 2026, with prices from $6,331 to $11,942, a $5,611 spread on the same certified stone. MOH London lists it at $11,942. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559234425
Dimensions7.08 × 7.15 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.08 mm7.15 mm1.51 ctG / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559234425
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,942 USD|Low: $6,331 USD|High: $12,623 USD|Avg: $8,388 USD|-5.1%
MOH London
Retailer 2
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
November 5, 2026
Retailer 11$6,331 USD
Retailer 12$6,438 USD
Retailer 4$6,604 USD
Retailer 8$6,657 USD
Retailer 19$6,686 USD
Retailer 15$6,690 USD
Retailer 14$6,728 USD
Retailer 16$7,185 USD
Retailer 5$7,655 USD
Retailer 2$7,871 USD
Retailer 6$8,180 USD
Retailer 17$8,180 USD
Retailer 10$8,335 USD
Retailer 13$8,450 USD
Retailer 18$8,879 USD
Retailer 3$9,577 USD
Retailer 9$9,692 USD
Retailer 7$10,812 USD
MOH London$11,942 USD

30 data points across 19 retailers

19 retailers$6,331 USD to $11,942 USD

A
Cheapest Retailer
-
$6,331 USD
A
Retailer 2
-
$6,438 USD
View
A
Retailer 3
-
$6,604 USD
View
A
Retailer 4
-
$6,657 USD
View
A
Retailer 5
-
$6,686 USD
View
A
Retailer 6
-
$6,690 USD
View
A
Retailer 7
-
$6,728 USD
View
A
Retailer 8
-
$7,185 USD
View
Final sale: no returns
A
Retailer 9
-
$7,655 USD
View
A
Retailer 10
-
$7,871 USD
View
A
Retailer 11
-
$8,180 USD
View
A
Retailer 12
-
$8,180 USD
View
Retailer 13
-
$8,335 USD
View
Price last confirmed 14 days ago
A
Retailer 14
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$8,450 USD
View
A
Retailer 15
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$8,879 USD
View
A
Retailer 16
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$9,577 USD
View
Retailer 17
-
$9,692 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
$10,812 USD
View
Most Expensive
B+
MOH London
CC95BE30A · Nov 4
$11,942 USD
£9,403 GBP
View
18 more retailers have this diamond
Prices start from $6,331 USDSave up to $5,611 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$6,331 USD